Well, I figured it out.
How about we have a call in what will be a time honoured way on Wednesday 19th Sep at 2.00 pm London time (same as past calls). I am very much hoping that I am not being presumptuous in asking that our friends at labs.ft.com (Financial Times FT, that is) will once again host the call on their facilities, as described on the wiki:
http://www.w3.org/community/coremob/wiki/Meetings/Telecon_2012-09-19
Jo